doubt
Americanverb (used with object)
-
to be uncertain about; consider questionable or unlikely; hesitate to believe.
The police have good reason to doubt his alibi.
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to distrust; regard with suspicion.
I doubted the salesman, so we decided to check with other dealers.
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Archaic. to fear; be apprehensive about.
verb (used without object)
noun
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a feeling of uncertainty about the truth, reality, or nature of something.
We all had our doubts about your mysterious Canadian girlfriend since no one has ever seen her in person.
- Synonyms:
- irresolution , indecision
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distrust or suspicion.
Voters naturally held some doubt about the abrupt change in policy direction issued by city hall.
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a general feeling of uncertainty, worry, or concern: Set your doubts aside, and listen to my business idea with an open mind.
As soon as I'd dropped out of school to become a full-time musician, I was full of doubt—what if I’d made a terrible mistake?
Set your doubts aside, and listen to my business idea with an open mind.
-
a state of affairs such as to occasion uncertainty.
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Obsolete. fear; dread.
idioms
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in doubt, in a state of uncertainty or suspense.
His appointment to the position is still in doubt.
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no doubt,
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beyond a / the shadow of a doubt, with certainty; definitely. Also beyond a doubt, beyond doubt.
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without doubt, unquestionably; certainly.
noun
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uncertainty about the truth, fact, or existence of something (esp in the phrases in doubt, without doubt, beyond a shadow of doubt, etc)
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(often plural) lack of belief in or conviction about something
all his doubts about the project disappeared
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an unresolved difficulty, point, etc
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philosophy the methodical device, esp in the philosophy of Descartes, of identifying certain knowledge as the residue after rejecting any proposition which might, however improbably, be false
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obsolete fear
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to presume someone suspected of guilt to be innocent; judge leniently
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almost certainly
verb
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(tr; may take a clause as object) to be inclined to disbelieve
I doubt we are late
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(tr) to distrust or be suspicious of
he doubted their motives
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(intr) to feel uncertainty or be undecided
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(tr; may take a clause as object) to be inclined to believe
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archaic (tr) to fear
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I would expect nothing else from someone
Usage
Doubt and doubtful may be followed by a subordinate clause beginning with that, whether, or if: I doubt that (or whether or if ) the story is true. It is doubtful that (or whether or if ) the story is true. There is some doubt that (or whether or if ) the story is true. In negative or interrogative sentences, that almost always introduces the subordinate clause: I do not doubt that the story is true. Is it doubtful that the story is true? Is there any doubt that the story is true? The expressions doubt but and doubt but that occur in all varieties of standard speech and writing: I don't doubt but she is sincere. There is no doubt but that the charges will affect his career. Doubt but what occurs mainly in informal speech and writing: There is no doubt but what the rainy weather will hurt the crops.
Where a clause follows doubt in a positive sentence, it was formerly considered correct to use whether ( I doubt whether he will come ), but now if and that are also acceptable. In negative statements, doubt is followed by that: I do not doubt that he is telling the truth. In such sentences, but ( I do not doubt but that he is telling the truth ) is redundant
Other Word Forms
- doubtable adjective
- doubtably adverb
- doubter noun
- doubtingly adverb
- doubtingness noun
- nondoubtable adjective
- nondoubter noun
- nondoubting adjective
- nondoubtingly adverb
- overdoubt verb (used with object)
- predoubt noun
- predoubter noun
- undoubtable adjective
- undoubting adjective
Etymology
Origin of doubt
First recorded in 1175–1225; Middle English verb douten, duten, doubten, from Old French douter, doter “to doubt, be doubtful,” from Latin dubitāre “to waver, hesitate, be uncertain” (frequentative of Old Latin dubāre ), equivalent to dub- “doubt” + -it- frequentative suffix + -āre infinitive suffix; noun derivative of the verb. The -b- first appears between 1420–30 in imitation of Latin dubit-
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There was no doubt that his Red Bull wasn’t as quick as the otherwise dominant McLaren, but McLaren’s was facing an issue more tactical than mechanical.
A huge sigh of relief no doubt for fans and the prospective new owners, whoever that may be.
From BBC
Considering the recent instability and sour sentiment, it is easy to doubt the company.
From Barron's
Referees should not make judgements on a potential injury, though no doubt it happens from time to time.
From BBC
There is little doubt that the U.S. is in the early stages of the AI boom.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.